21433043011330 has 64 divisors (see below), whose sum is σ = 39514625860608. Its totient is φ = 8367929456320.

The previous prime is 21433043011321. The next prime is 21433043011349. The reversal of 21433043011330 is 3311034033412.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115609689 + ... + 115794931.

It is an arithmetic number, because the mean of its divisors is an integer number (617416029072).

Almost surely, 2^{21433043011330} is an apocalyptic number.

21433043011330 is a deficient number, since it is larger than the sum of its proper divisors (18081582849278).

21433043011330 is a wasteful number, since it uses less digits than its factorization.

21433043011330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186951.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 21433043011330 its reverse (3311034033412), we get a palindrome (24744077044742).

The spelling of 21433043011330 in words is "twenty-one trillion, four hundred thirty-three billion, forty-three million, eleven thousand, three hundred thirty".